Status open , filtered

[Mike]

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- From http://www.insecure.org/nmap/

Filtered means that a firewall, filter, or other network obstacle is
blocking the port so that Nmap cannot tell whether it is open or closed.

Thanks

Mike


Fabio S. Silva wrote:
> Hi all, i have a question, i make a firewall but when i make a scan
> using nmap it returns to me that the ports are in state filtered no
> close
> 
> (The 1673 ports scanned but not shown below are in state: filtered)
> 
> Anybody know why it returns to me it? is my rules wrong? or is a type
> of rule that i created that make it in state filtered?
> Just the ssh/22 port is open, and if i make a internal test in the
> firewall i can see another ports opened, its good because i just can
> see my ssh port opened from the internet, but i dont understand why
> the state show me filtered.
> 
> 
> thanks
> 
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